Timed Automaton Models for Simple Programmable Logic Controllers

Angelika H. Mader, Hanno Wupper

    Research output: Contribution to conferencePaperAcademicpeer-review

    44 Citations (Scopus)
    91 Downloads (Pure)

    Abstract

    We give timed automaton models for a class of Programmable Logic Controller (PLC) applications, that are programmed in a simple fragment of the language Instruction Lists as defined in the standard IEC 1131-3. Two different approaches for modelling timers are suggested, that lead to two different timed automaton models. The purpose of this work is to provide a basis for verification and testing of real-time properties of PLC applications. Our work can be seen in broader context: it is a contribution to methodical development of provably correct programs. Even if the present PLC hardware will be substituted by e.g. Personal Computers, with a similar operation mode, the development and verification method will remain useful.
    Original languageEnglish
    Pages114-122
    Number of pages13
    DOIs
    Publication statusPublished - Jun 1999
    Event11th Euromicro Conference on Real-Time Systems, Euromicro RTS 1999 - York, England
    Duration: 9 Jun 199911 Jun 1999

    Conference

    Conference11th Euromicro Conference on Real-Time Systems, Euromicro RTS 1999
    Period9/06/9911/06/99
    OtherJune 9-11, 1999

    Keywords

    • EWI-1906
    • IR-56202

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